From LedHed's Wiki
Group Policy uses ADMX templates, when managing GPOs from different versions of Windows, you get different options in GPMC. You can setup a 'Central Store' (a common repository) for ADMX templates so that you get consistent GPO options from OS to OS.
Reference
https://support.microsoft.com/en-us/kb/929841 https://support.microsoft.com/en-us/kb/3087759